138080519 has 4 divisors (see below), whose sum is σ = 139088544. Its totient is φ = 137072496.

The previous prime is 138080507. The next prime is 138080531. The reversal of 138080519 is 915080831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (138080507) and next prime (138080531).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138080519 is a prime.

It is a super-2 number, since 2×138080519² = 38132459454618722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138080549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503807 + ... + 504080.

It is an arithmetic number, because the mean of its divisors is an integer number (34772136).

Almost surely, 2^138080519 is an apocalyptic number.

138080519 is a deficient number, since it is larger than the sum of its proper divisors (1008025).

138080519 is a wasteful number, since it uses less digits than its factorization.

138080519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008024.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 138080519 is about 11750.7667409408. The cubic root of 138080519 is about 516.8654114804.

The spelling of 138080519 in words is "one hundred thirty-eight million, eighty thousand, five hundred nineteen".